ASPEN TECHNOLOGY INC

CUSIP: 045327103 Class: COM

HighVista Strategies LLC's Holding History (CIK: 0001335325)

Note: Option positions (PUT/CALL) are excluded.

Q4 2015
Shares 58,778 Value ($000) $2,219 Avg Close — Range —
Q3 2015
Shares 114,347 Value ($000) $4,335 Avg Close — Range —
Q2 2015
Shares 112,242 Value ($000) $5,113 Avg Close — Range —
Q1 2015
Shares 118,774 Value ($000) $4,572 Avg Close — Range —
Q4 2014
Shares 130,110 Value ($000) $4,556 Avg Close — Range —